If there is a word or phrase you think we have missed out, or if you disagree with a definition, please let us know.
A
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B
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C
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D
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E
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F
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G
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H
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I
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J
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K
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L
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M
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N
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O
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P
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Q
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R
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S
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T
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U
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V
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W
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X
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Y
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Z
- Full List
T
T cells
T cells contribute to the immune defenses
Testicle
Either of the pair of male sex organs within the scrotum
Testosterone
A steroid hormone that stimulates development of male secondary sexual characteristics
Torsion
Abnormal twisting of testis within the scrotum
Toxoplasmosis
A disease of mammals and birds, usually transmitted to humans through ingesting undercooked meat or cat faeces
Transgendered
Someone who had undergone or is undergoing the process of changing their physical characteristics from one gender to another
Transsexual
Someone who believes that they belong to the sex opposite to their biological gender
Transuretheral resection
An operation performed when the prostate gland becomes enlarged
Trauma
Emotional shock or physical injury
Tumour
Abnormal swelling in or on any part of the body